/*
day426_2 
2020.10.27 
*/
#include<string>
#include<stack>
#include<iostream>
using namespace std;


class Solution {
public:
    int calculate(string s) {
		
    }
    
    int cal_two(int a,int b,char op)
    {
    	if(op=='+') return a+b;
    	if(op=='-') return a-b;
    	if(op=='*') return a*b;
    	return a/b;
	}
};


int main()
{
	int a=stoi("3353");
	cout<<a<<endl;
	return 0;
}

